code: def __iter__(self) -> Iterator[T]:
      return self.__base_iterable_func()
  
file_path: ptgnn/ptgnn/baseneuralmodel/utils/data.py
imports: import random
  from typing import Callable, Iterable, Iterator, List, Optional, TypeVar
label_desc: Use image node_id 2 for calling the LazyDataIterable obj's underlying member method code with example usage: obj.__iter__() and returns: self